<?php
# PHP Calendar (version 2.3), written by Keith Devens
# http://keithdevens.com/software/php_calendar
#  see example at http://keithdevens.com/weblog
# License: http://keithdevens.com/software/license

class My_View_Helper_Calendar extends Zend_View_Helper_Abstract{
	

	
	public function calendar($fecha, $days = array(), $day_name_length = 4, $month_href = NULL, $first_day = 1, $pn = array()){
		
        if(!$fecha instanceof Zend_Date)
        {
		      $fecha=new Zend_Date($fecha,Zend_Date::ISO_8601);
		}

        $year=$fecha->toString('yyyy');
        $month=$fecha->toString('M');



        $oldlocale = setlocale(LC_TIME, NULL); #save current locale 
    	setlocale(LC_TIME, 'es_ES'); #Spanish 
		
        
                        
		$first_of_month = gmmktime(0,0,0,$month,1,$year);
		#remember that mktime will automatically correct if invalid dates are entered
		# for instance, mktime(0,0,0,12,32,1997) will be the date for Jan 1, 1998
		# this provides a built in "rounding" feature to generate_calendar()
	
		$day_names = array(); #generate all the day names according to the current locale
		for($n=0,$t=(3+$first_day)*86400; $n<7; $n++,$t+=86400) #January 4, 1970 was a Sunday
			$day_names[$n] = ucfirst(gmstrftime('%A',$t)); #%A means full textual day name
	
		list($month, $year, $month_name, $weekday) = explode(',',gmstrftime('%m,%Y,%B,%w',$first_of_month));
		$weekday = ($weekday + 7 - $first_day) % 7; #adjust for $first_day
		$title   = htmlentities(ucfirst($month_name)).'&nbsp;'.$year;  #note that some locales don't capitalize month and day names

	
		#Begin calendar. Uses a real <caption>. See http://diveintomark.org/archives/2002/07/03
		@list($p, $pl) = each($pn); @list($n, $nl) = each($pn); #previous and next links, if applicable
		if($p) $p = '<span class="calendar-prev">'.($pl ? '<a href="'.htmlspecialchars($pl).'">'.$p.'</a>' : $p).'</span>&nbsp;';
		if($n) $n = '&nbsp;<span class="calendar-next">'.($nl ? '<a href="'.htmlspecialchars($nl).'">'.$n.'</a>' : $n).'</span>';
		$calendar = '<table class="calendar">'."\n".
			'<caption class="calendar-month">'.$p.($month_href ? '<a href="'.htmlspecialchars($month_href).'">'.$title.'</a>' : $title).$n."</caption>\n<thead><tr>";
	
		if($day_name_length){ #if the day names should be shown ($day_name_length > 0)
			#if day_name_length is >3, the full name of the day will be printed
			foreach($day_names as $k => $d)
				$calendar .= '<th class="'.htmlentities($k > 4 ? 'finde' : '').'">'.htmlentities($d).'</th>';
			$calendar .= "</tr></thead>\n<tbody><tr>";
		}
	
		if($weekday > 0) $calendar .= '<td colspan="'.$weekday.'">&nbsp;</td>'; #initial 'empty' days
		for($day=1,$days_in_month=gmdate('t',$first_of_month); $day<=$days_in_month; $day++,$weekday++){
			if($weekday == 7){
				$weekday   = 0; #start a new week
				$calendar .= "</tr>\n<tr>";
			}


			if(isset($days[$day]) and is_array($days[$day])){
				$texto=@implode('',$days[$day])."</ul>";
			}

			$finde=($weekday == 5 || $weekday==6) ? "finde ": '';

            $ff=date('Y-m-d',strtotime("$year-$month-$day"));
			$hoy=($ff==date('Y-m-d')) ? "today" : '';
            
			
			$calendar .= "<td class='droppable $finde$hoy'><div class='dia' id='$ff'>$day</div><div class='content-dia' id='c-$ff'><ul> $texto</ul></div></td>\n";
			$texto=null;
		}
		if($weekday != 7) $calendar .= '<td colspan="'.(7-$weekday).'">&nbsp;</td>'; #remaining "empty" days

		return $calendar."</tr><tbody>\n</table>\n";
	}
}


